111000252 has 24 divisors (see below), whose sum is σ = 282546432. Its totient is φ = 33636400.

The previous prime is 111000247. The next prime is 111000289. The reversal of 111000252 is 252000111.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420324 + ... + 420587.

It is an arithmetic number, because the mean of its divisors is an integer number (11772768).

Almost surely, 2^111000252 is an apocalyptic number.

111000252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111000252 is an abundant number, since it is smaller than the sum of its proper divisors (171546180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111000252 is a wasteful number, since it uses less digits than its factorization.

111000252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840929 (or 840927 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 111000252 is about 10535.6657122367. The cubic root of 111000252 is about 480.5899170596.

Adding to 111000252 its reverse (252000111), we get a palindrome (363000363).

The spelling of 111000252 in words is "one hundred eleven million, two hundred fifty-two", and thus it is an aban number.